Dual-polarized magnetoelectric dipole antenna and electronic device

Abstract

A dual-polarized magnetoelectric dipole antenna, including a reflection plate, electric and magnetic dipoles, where the electric dipole includes four first electrodes; the magnetic dipole includes four second electrodes; the second electrodes are in one-to-one correspondence with the first electrodes, and each second electrode is connected between a corresponding first electrode and the reflection plate; each first electrode includes first and second sides connected to each other; the first side of the first electrode is adjacent to the first side of one adjacent first electrode, and the second side of the first electrode is adjacent to the second side of other one adjacent first electrode; each second electrode includes two sub-electrodes connected to the first and second sides of a corresponding first electrode, respectively; the sub-electrode has a slit opening therein, and an extending direction of the slit opening is parallel to a plane where the reflection plate is located.

1 . A dual-polarized magnetoelectric dipole antenna, comprising a reflection plate, an electric dipole parallel to the reflection plate, and a magnetic dipole perpendicular to and electrically connected to the reflection plate,
 wherein the electric dipole comprises four first electrodes; the magnetic dipole comprises four second electrodes; the four second electrodes and the four first electrodes are in one-to-one correspondence, and each of the four second electrodes is connected between the first electrode corresponding to the second electrode and the reflection plate;   each of the four first electrodes comprises a first side and a second side connected to each other; for any one of the four first electrodes, the first side of the first electrode is adjacent to the first side of one of the other three first electrodes adjacent to the first electrode, and the second side of the first electrode is adjacent to the second side of other one of the other three first electrodes adjacent to the first electrode; and   each of the four second electrodes comprises two sub-electrodes, and the two sub-electrodes are connected to the first side and the second side of the first electrode corresponding to the second electrode, respectively; for any one of the two sub-electrodes, a slit opening is in the sub-electrode, and an extending direction of the slit opening is parallel to a plane where the reflection plate is located.   
     
     
         2 . The dual-polarized magnetoelectric dipole antenna according to  claim 1 , wherein each of the two sub-electrodes comprises a first region and a second region arranged side by side along the extending direction of the slit opening in the sub-electrode; the slit opening comprises a first slit opening and a second slit opening; the first slit opening is in the first region, the second slit opening is in the second region, and the first slit opening and the second slit opening are alternately arranged. 
     
     
         3 . The dual-polarized magnetoelectric dipole antenna according to  claim 2 , wherein third sides of the two sub-electrodes of each of the four second electrodes are connected to each other, and each of the two sub-electrodes further comprises a fourth side opposite to the third side; and
 the first slit opening in the sub-electrode penetrates through the fourth side.   
     
     
         4 . The dual-polarized magnetoelectric dipole antenna according to  claim 2 , wherein in each of the two sub-electrodes, numbers of the first slit opening and the second slit opening are equal to each other. 
     
     
         5 . The dual-polarized magnetoelectric dipole antenna according to  claim 2 , wherein in each of the two sub-electrodes, a number of the first slit opening is different by one from a number of second slit opening. 
     
     
         6 . The dual-polarized magnetoelectric dipole antenna according to  claim 2 , wherein in each of the two sub-electrodes, spacings between any two adjacent ones of a plurality of first slit openings are equal to each other, and spacings between any two adjacent ones of a plurality of second slit openings are equal to each other. 
     
     
         7 . The dual-polarized magnetoelectric dipole antenna according to  claim 2 , wherein in each of the two sub-electrodes, widths and/or lengths of respective first slit openings are equal to each other, and widths and/or lengths of respective second slit openings are equal to each other. 
     
     
         8 . The dual-polarized magnetoelectric dipole antenna according to  claim 1 , wherein each of the two sub-electrodes comprises two slit openings, and orthographic projections of the two slit openings on the reflection plate partially overlap each other. 
     
     
         9 . The dual-polarized magnetoelectric dipole antenna according to  claim 1 , wherein each of the two sub-electrodes comprises a first region and a second region arranged side by side along the extending direction of the slit opening in the sub-electrode; the slit openings comprise a first slit opening, a second slit opening, and a third slit opening; the first slit opening is in the first region, the second slit opening is in the second region, and the first slit opening and the second slit opening are arranged in one-to-one correspondence; one end of the third slit opening is in the first region and is arranged alternately with the first slit opening, and the other end of the third slit opening is in the second region and is arranged alternately with the second slit opening. 
     
     
         10 . The dual-polarized magnetoelectric dipole antenna according to  claim 9 , wherein orthographic projections of both ends of the third slit opening on the reflection plate overlap orthographic projections of the first slit opening and the second slit opening on the reflection plate, respectively. 
     
     
         11 . The dual-polarized magnetoelectric dipole antenna according to  claim 9 , wherein in each of the two sub-electrodes, spacings between any two adjacent ones of a plurality of first slit openings are equal to each other, spacings between any two adjacent ones of a plurality of second slit openings are equal to each other, and spacings between any two adjacent ones of a plurality of third slit openings are equal to each other. 
     
     
         12 . The dual-polarized magnetoelectric dipole antenna according to  claim 9 , wherein in each of the two sub-electrodes, widths and/or lengths of respective first slit openings are equal to each other, widths and/or lengths of respective second slit openings are equal to each other, and widths and/or lengths of respective third slit openings are equal to each other. 
     
     
         13 . The dual-polarized magnetoelectric dipole antenna according to  claim 1 , wherein each of the four first electrodes has a hollowed-out pattern therein. 
     
     
         14 . The dual-polarized magnetoelectric dipole antenna according to  claim 13 , wherein a center of the hollowed-out pattern in each of the four first electrodes coincides with a center of an outline of the first electrode. 
     
     
         15 . The dual-polarized magnetoelectric dipole antenna according to  claim 1 , further comprising a first feed line and a second feed line, wherein the four second electrodes of the magnetic dipole define a cross-shaped accommodation region, and the first feed line and the second feed line cross each other in the cross-shaped accommodation region. 
     
     
         16 . The dual-polarized magnetoelectric dipole antenna according to  claim 15 , wherein a spacing between the first feed line and the second feed line is in a range of 0.8 mm to 1.2 mm. 
     
     
         17 . The dual-polarized magnetoelectric dipole antenna according to  claim 15 , wherein the first feed line and the second feed line are both Γ-shaped feed lines. 
     
     
         18 . The dual-polarized magnetoelectric dipole antenna according to  claim 15 , further comprising a first radio frequency connector connected to the first feed line, and a second radio frequency connector connected to the second feed line. 
     
     
         19 . The dual-polarized magnetoelectric dipole antenna according to  claim 1 , wherein the reflection plate is made of metal. 
     
     
         20 . An electronic device, comprising the dual-polarized magnetoelectric dipole antenna according to  claim 1 .